Grimm Nick and Hank (David Giuntoli, Russell Hornsby) hunt a creature that feeds off human tears in this new episode of the supernatural drama. 9 p.m. NBC

Cult Jeff and Skye's (Matt Davis, Jessica Lucas) investigation takes them to a costume party in this new episode. 9 p.m. KTLA

Shark Tank Dresses made from pillowcases, a unique spatula and an energy-boosting waffle are among the products and inventions featured in this new episode. 9 p.m. ABC

Tanked The unscripted series about builders of super-sized fish tanks returns with new episodes. 9 p.m. Animal Planet

I Love the 1880s John D. Rockefeller, Marie Antoinette and Caligula are some of the historical figures spoofed in this new episode. 11:02 p.m. History

SPECIALS

The iHeartRadio Album Release Party With Justin Timberlake The singer is featured in interviews and performance clips in this encore special. 8 p.m. KTLA

Lost Gold of the Dark Ages:Revealed This new special revisits the discovery of a hoard of thousands of gold artifacts said to be worth millions of dollars, followed by the special "Secret History of Gold: Revealed." 8 and 9 p.m. Nat Geo

MOVIES

The Flowers of St. Francis The life and works of the medieval-era religious figure are celebrated in director Roberto Rossellini's 1950 drama. 6:30 p.m. TCM